function disContact(userId) {
    var parentId = xhTool.getQuery('parentId');
    xhExtra.askChangeStatus('order/cancelBind', {studentId: userId , parentId:parentId},null,'确定要解除绑定嘛？', function(result) {
        window.top.xhTop.showSuccess(result.msg);
        window.location.reload();
    });
}